200212120222121 has 8 divisors (see below), whose sum is σ = 231079335363264. Its totient is φ = 169911276001200.

The previous prime is 200212120222087. The next prime is 200212120222193. The reversal of 200212120222121 is 121222021212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200212120222121 - 2²⁶ = 200212053113257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200212120222093 and 200212120222102.

It is not an unprimeable number, because it can be changed into a prime (200212120224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141592729295 + ... + 141592730708.

It is an arithmetic number, because the mean of its divisors is an integer number (28884916920408).

Almost surely, 2^{200212120222121} is an apocalyptic number.

It is an amenable number.

200212120222121 is a deficient number, since it is larger than the sum of its proper divisors (30867215141143).

200212120222121 is a wasteful number, since it uses less digits than its factorization.

200212120222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283185460111.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200212120222121 its reverse (121222021212002), we get a palindrome (321434141434123).

The spelling of 200212120222121 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-one".